.u-title{
    height: 40px;
    background-color: #e4e4e4;
    border-left: 1px solid #ebeef5;
    border-top: 1px solid #ebeef5;
    border-right: 1px solid #ebeef5;
    padding: 0 20px;
    line-height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.u-title-btn{
    height: 32px;
    line-height: 32px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    display: inline-block;
    padding: 0 20px;
    margin-left: 20px;
    color: #666;
    font-size: 12px;
}
.u-title>button{
    height: 32px;
}
.u-content{
    border-left: 1px solid #ebeef5;
    border-bottom: 1px solid #ebeef5;
    border-right: 1px solid #ebeef5;
}
.u-filter{
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
}
.u-filter-item{
    margin-right: 20px;
    margin-bottom: 10px;
}
.u-filter-item>label{
    display: inline-block;
    line-height: 40px;
    padding: 0 5px;
}

/* uploade */
.u-upload{
    display: flex;
    flex-wrap: wrap;
}
.u-upload>input[type='file']{
    /* opacity: 0; */
    display: none;
}
.u-upload>label{
    border: 1px dashed #dcdfe6;
    display: flex;
    width: 100px;
    height: 100px;
    border-radius: 4px;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.u-upload>label>.el-icon-plus{
    font-size: 32px;
    color: #66b1ff;
}
.u-upload>label>img{
    width:100px;
    height: 100px;
    border-radius: 4px;
}
.u-upload-img-item, .u-upload-img-item>img{
    width: 100px;
    height: 100px;
}
.u-upload-img-item{
    margin-right: 10px;
    margin-bottom: 10px;
    position: relative;
}
.u-upload-mark{
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    top: 0;
    left: 0;
}
.u-upload-deleted{
    position: absolute;
    top: 10px;
    right: 10px;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}
.u-upload-img-item:hover .u-upload-mark{
    display: block;
}